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Coupled Light Capture and Lattice Boltzmann Model of TiO2 Micropillar Array for Water Purification

Published online by Cambridge University Press:  17 December 2019

Pegah S. Mirabedini Open the ORCID record for Pegah S. Mirabedini [Opens in a new window] ,
Agnieszka Truskowska ,
Duncan Z. Ashby Open the ORCID record for Duncan Z. Ashby [Opens in a new window] ,
Masaru P. Rao  and
P. Alex Greaney Open the ORCID record for P. Alex Greaney [Opens in a new window]
Pegah S. Mirabedini
Affiliation:
Materials Science and Engineering Program, University of California, Riverside, CA 92521, USA
Agnieszka Truskowska
Affiliation:
Scientific Computation Research Center, Rensselaer Polytechnic Institute, Troy, NY, 12180, USA
Duncan Z. Ashby
Affiliation:
Department of Mechanical Engineering, University of California, Riverside, CA 92521, USA
Masaru P. Rao
Affiliation:
Materials Science and Engineering Program, University of California, Riverside, CA 92521, USA Department of Mechanical Engineering, University of California, Riverside, CA 92521, USA Department of Bioengineering, University of California, Riverside, CA 92521, USA
P. Alex Greaney*
Affiliation:
Materials Science and Engineering Program, University of California, Riverside, CA 92521, USA Department of Mechanical Engineering, University of California, Riverside, CA 92521, USA
*
*(Email: greaney@ucr.edu)
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Abstract

TiO2 has been widely studied as a photocatalytic material due to its non-toxicity, chemical inertness, and high photocatalytic activity. Here, we explore the operational behavior of a novel TiO2 micropillars array being developed to use solar radiation to treat recycled wastewater in long-duration space missions. A Light Capture model was developed to model light absorption. The Lattice Boltzmann method was used to simulate water flow, and the finite element method was used to model waste mass transfer.

Keywords

modelingdiffusionfluidrecyclingwater
Type
Articles
Information
MRS Advances , Volume 4 , Issue 50: Broader Impact/Characterization, Processing and Theory , 2019 , pp. 2689 - 2698
Copyright
Copyright © Materials Research Society 2019 

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